5 4 3 2 1 RB5/CS D R3 10K 3 SET DIV 4 R4 22.1 R6 22.1 C5 0.1 R7 14K R10 102K R8 10K R9 10K SYSTEM_RST# VCCA 3 EN DIS JP3 WD 7 WT RST 6 WDI 5 RE0/BOARD_DETECT 27 RE2/CS 26 RE1/WR 25 RE0/RD VSS 8 RT U3 LTC1726EMS8-2.5 RX/RC7 TX/RC6 MOSI/RC5 MISO/RC4 SCK/RC3 RC2 18 MCLR RC1 RC0 2 3 Q1 MMBT3904 RD7 RD6 RD5 RD4 RD3 RD2 RD1 RD0 + 24 23 22 21 20 19 RA5/LCD_EN RA4/ISO_PWR_SHDN/ USB_TXE# USB_WR_CLK USB_RXF# USB_RD_CLK# 17 16 15 14 11 10 9 8 RB7 RB6 RB5/CS RB4 RB3 RB2 RB1 RB0 1 44 43 42 37 36 35 32 RC7/RX RC6/TX RC5/MOSI/SDAO RC4/MISO/SDAI RC3/SCK/SCI RC2 RC1 RC0 5 4 3 2 41 40 39 38 PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 PROG JP1 HD2X3-079 5 6 3 4 1 2 R5 1.5K R1 49.9K RC5/MOSI/SDAO RC4/MISO/SDAI RC3/SCK/SCI COMMAND LED1 LTST-C190KGKT (LITE-ON) GRN 3 2 1 5 R21 10K VCC 1 2 3 VCC MODE JP2 HD2X3-079 5 6 3 4 1 2 J1 R14 22.1 VCC + - VCC RC2 LED2 GRN R11 475 + - C VCC RC1 LED3 GRN R12 475 + - RC0 LED4 GRN R13 475 CW B VR1 10K 2 VCC C9 0.1 R17 22.1 SYS_10MHZ 10M VCC J2 3 GND CONTRAST 4 LED2-LED4 LTST-C190KGKT (LITE-ON) VCC USB_RD_CLK# 2 10M PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 RB2 RB1 RB0 RC7/RX RC6/TX RC5/MOSI/SDAO RC4/MISO/SDAI RC3/SCK/SCI RC2 RC1 RC0 1 2 4 3 6 5 8 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 HD2X20-100 OPT 1 D 2 CLK 3 USB_TXE# USB_WR_CLK USB_RXF# USB_RD_CLK# RE2/I2C-SPI# RE1/AUX-MAIN# RE0/BOARD_DETECT 3 PRE 4 VCC 14 5 Q 6 Q 4 U4 NC7SP17P5X 5 7 VCC 13 CLR D 12 USB_RXF# CLK 11 CLR 9 Q 8 Q 2 1 U5B 74HC74PW 7 Q2 2N7002 1 B GND 3 PRE 10 VCC 14 U5A 74HC74PW 2 D RA4/ISO_PWR_SHDN/ USB_RXF# VCC C8 0.1 VCC OPT PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 R2 475 4 C7 100PF GND C6 2200PF RE1/AUX-MAIN# RA5 RA4 RA3 RA2 RA1 RA0 PGD/RB7 PGC/RB6 RB5 RB4 RB3 31 OSCOUT RB2 RB1 INT/RB0 6 C RE2/I2C-SPI# 1 VCC25 2 VCC3 1 SW1 EVQPPDA25 1 2 U1 PIC16LF877A-I/PT 30 OSCIN VCC C4 0.1 C2 0.1 VCC 29 C3 0.1 1 V+ OUT 5 2 GND C1 0.1 VSS U2 LTC1799CS5 VCC VDD 28 VDD 7 VPIC R15 1.5K PIC_DB1 R18 1.5K PIC_DB4 PIC_DB6 1 2 3 4 5 6 8 7 9 10 11 12 13 14 HD2X7-100 OPT R16 1.5K PIC_DB5 PIC_DB7 R19 1.5K 3 U6 NC7SP17P5X PIC_DB0 RA5/LCD_EN CUSTOMER NOTICE NOTES: UNLESS OTHERWISE SPECIFIED A 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0402. 2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. CONTRACT NO. APPROVALS DRAWN: TITLE: SCHEMATIC CHECKED: 4 3 USB SERIAL CONTROLLER II APPROVED: ENGINEER: MARK T. DESIGNER: SIZE A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 TECHNOLOGY KIM T. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: 2 DWG NO. REV DC590B-2 Wednesday, July 26, 2006 B-2 SHEET 1 1 OF 3 A 5 4 3 R20 VCC 475 C10 0.1 C11 10,6.3V 0805 C14 0.1 18 19 20 21 22 23 24 25 USB_RD_CLK# USB_WR_CLK USB_TXE# USB_RXF# 16 15 14 12 R29 22.1 R30 10K RD# WR TXE# RXF# AGND C 29 U9 LTC6905CS5-96 C43 47PF R25 1.5K C16 0.1 1 C44 47PF 1 2 3 4 USB-B MILL-MAX USB5V 2 R27 10K U8 93LC46BT-I/OT 6 31 6 VCC 5 CS C17 0.1 4 CLK R33 10K DO 1 VSS 2 R32 2.21K DI 3 1 EN 2 3 DIS HD1X3-079 HD1X2-079 2 0805 U12 LTC4210-1CS6 C27 0.1 2 1 CT VSEN 5 GND 6 VCC 3 ON 1 VIN 2 GND 3 SHDN 1 C21 10,6.3V 0805 C26 0.1 3 OUT 5 BYP 4 2 R36 100 VCC R40 100 USB5V GND VCC NOTES: UNLESS OTHERWISE SPECIFIED E3 R38 16.9K U11 LT3439EFE COLA 3 COLB 14 5 RSL 4 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0402. 2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN. 6 4 8 3 1 1 3 1 3 R39 10K B V+ V+ C23 0.1 C24 10,6.3V 0805 2 D2 BAT54S C29 2.2NF,1000V 1206 CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. CONTRACT NO. APPROVALS DRAWN: 3 TECHNOLOGY KIM T. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC CHECKED: APPROVED: ENGINEER: MARK T. DESIGNER: SIZE A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 D1 V+ BAT54S 2 T1 PA0510 4 JP5 5VSW HD2X3-079 1 2 3 4 5 6 SW ISO 5VSW E2 6 CT 7 RT R37 100 C25 330PF OFF A 11 SHDN 5 SYNC CG 4 ON 5VSW 3 R35 10K C22 0.01 C42 10,6.3V 0805 C28 0.01 E1 VPIC GND GND B Q5 2N7002 1 RSENSE 0.1 OHM U10 LT1761ES5-3.3 Q4 Si2316DS ISOLATED C20 100,6.3V 1210 VIN 13 C19 0.1 PGND PGND VCC JP7 OPT 16 1 5VSW NON-ISOLATED 10 17 3 SET DIV 4 USB5V C JP4 EE 1 V+ OUT 5 2 GND RA4/ISO_PWR_SHDN/ 1 2 3 4 R24 22.1 RSTOUT# 5 EECS 32 27 XTIN EESK 28 XTOUT EEDATA 11 SI/WU 10 PWREN# 3V3OUT 4 RST# TEST R31 10K USB5V C18 0.1 USBDM 8 USBDP 7 D J3 R23 22.1 GND GND 48MHZ VCC D7 D6 D5 D4 D3 D2 D1 D0 C15 USB5V 0.1 U7 FT245BM 9 17 R28 10K VCC 326 VCC VCCIO 13 PIC_DB7 PIC_DB6 PIC_DB5 PIC_DB4 PIC_DB3 PIC_DB2 PIC_DB1 PIC_DB0 AVCC 30 D 1 USB5V C13 0.1 C12 0.1 2 DATE: 2 USB SERIAL CONTROLLER II DWG NO. DC590B-2 Wednesday, July 26, 2006 SHEET 1 REV B-2 2 OF 3 A 2 VCCA 5V TO VCCA TRANSLATION U13A 74VHC125MTC +5V R51 1.5K R52 1.5K 1 A1 2 C1 RE2/I2C-SPI# 3 A2 4 C2 RE1/AUX-MAIN# R55 4.99K COL2 6 E2 5 6 SHDN 5 OUT +5V R56 1.5K -IN 1 V- 2 4 V+ +IN 3 +5V C34 0.1 R58 1.5K C37 0.1 RE0/BOARD_DETECT SPARE 8 COL1 7 E1 6 COL2 5 E2 R62 1.5K A1 1 C1 2 A2 3 C2 4 U17A 74VHC125MTC 3 R22 12 14 15 11 7 U18 LTC4302CMS-2 R57 49.9K V+ 1 5 2 4 6 10 9 NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0402. 2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN. SDAIN SDAOUT 10 SCLIN SCLOUT 98 VCC CONN ADDR VCC2 7 GND GPIO1 6 3 SHDN V+ 6 4 2 JP6 VCCIO +5V R26 6.34K R63 10K OUT 5 BYP 4 C39 0.01 5 EXT 3 5V 1 3.3V 3 SHDN R59 1.5K C40 10,6.3V 0805 U22 LT1761ES5-SD 1 IN 2 GND R34 100 +5V B + - ISO PWR LED5 LTST-C190KGKT (LITE-ON) GRN VCCA OUT 5 R64 49.9K ADJ 4 R65 26.7K HD2X3-079 R66 102K R67 41.2K REMOVE=2.7V LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. CONTRACT NO. APPROVALS DRAWN: 3 C I2C ADDR: 4302 @ O x CO EE @ O x AO R54 4.99K +5V VCCA U21 LT1761ES5-5 1 VIN 2 GND C38 10,6.3V 0805 TECHNOLOGY KIM T. C41 10,6.3V 0805 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC CHECKED: APPROVED: ENGINEER: MARK T. DESIGNER: SIZE A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 R53 4.99K VEE 7 CUSTOMER NOTICE 5 1 2 3 4 5 +5V +5V 1.5K ISO_SPARE A EEVCC EESDA EESCL EEGND NC R68 10K 2 D AGND VCCA VCCA U17C 74VHC125MTC 8 VCCA 10 9 11 12 14 +5V AUX I2C LINES ARE PULLED LOW TO FACILITATE BOARD DETECTION (PULL UP ON STAMP BOARD) (5K PULL UPS ARE ON STAMP BOARD) 8 U23 MOCD207M AC U17B 74VHC125MTC 6 14 R61 4.99K ISO_CS ISO_SCK/SCL ISO_SDA/MOSI MISO AUX_SDA AUX_SCL 1 7 R60 4.99K +5V 7 VCC GND 13 14 U17D 74VHC125MTC 12 X0 X1 X2 X3 Y0 Y1 Y2 Y3 INH A B B 11 9 U20 74VHC4052MTC 13 X 3 Y +5V C35 0.1 +5V 1 V+ 2 5V 6 CS 4 SCK/SCL 7 MOSI/SDA 5 MISO V+ VCCA SCK MOSI MISO R49 49.9K VCCA U19 LT1719CS6 CS R42 4.99K U13C 74VHC125MTC 8 5 C36 0.1 VCC 7 R48 10K LOW=MAIN, HI=AUX LOW=SPI, HI=I2C +5V COL1 8 E1 7 VCCA 14 4 7 VEE 7 R50 4.99K U16 MOCD207M +5V R47 10K E7 VCCA J4 HD2X7-079-MOLEX AD R43 R44 R45 R46 10K 10K 10K 10K +5V V+ R41 4.99K U13B 74VHC125MTC 7 VCC 9 14 10 VCC 1 5 2 4 6 10 9 Y0 Y1 Y2 Y3 INH A B E6 11 14 10 3 Y 12 14 15 11 X0 X1 X2 X3 U13D 74VHC125MTC 12 6 14 4 13 X 8 C 5 U15 74VHC4052MTC 16 15 14 13 12 11 10 9 VCCA 7 VDD2 GND2 OUT1 OUT2 OUT3 IN4 NC GND2 GND VDD1 GND1 IN1 IN2 IN3 OUT4 NC GND1 C31 +5V 0.1 C33 0.1 VCC 16 1 2 3 4 5 6 7 8 RB5/CS RC3/SCK/SCI RC5/MOSI/SDAO RC4/MISO/SDAI +5V U14 HCPL-092J VCC 16 VCC C32 0.1 SPI MODE - EN/ PULLED LOW, DATA TO INPUT I2C MODE - INPUT PULLED LOW, DATA TO EN/ E5 VCCA 3 7 1 VHC125 LOGIC: D E4 V+ VCCA 14 13 2 1 QUICKEVAL CONNECTOR C30 0.1 ISOLATED 14 NON-ISOLATED 3 GND GND GND 4 3 8 13 5 DATE: 2 USB SERIAL CONTROLLER II DWG NO. DC590B-2 Wednesday, July 26, 2006 SHEET 1 REV B-2 3 OF 3 A